We have migrated our SQL server 2012 infrastructure from on-premise to Azure cloud recently where in all the production VM's are build with pre-images of SQL 2012 enterprise edition.
So,here is the question and issue that we are currently facing :
We want to upgrade SQL server from 2012 to 2016 and wanted to know if there is a way to perform in-place upgrade with pre-images installed without having to actually migrate ? .
What we heard from our infrastructure team is that we can't do an in-place up-gradation if it comes as a pre-image and will need to spin of another VM and perform migration which would incur cost again.
Any suggestions or workarounds without having to put migration efforts are much appreciated and thank you for all the help that you render to folks like me and to SQL community.